The section as revised makes clear the legislative intent to punish as
a principal not only one who directly commits an offense and one who
''aids, abets, counsels, commands, induces or procures'' another to
commit an offense, but also anyone who causes the doing of an act
which if done by him directly would render him guilty of an offense
against the United States.

There are more examples. What of the cryptography researcher who
publishes a paper or gives a lecture on the vulnerabilities of a
particular type of DRM? Must Prof. Ed Felten of SDMI fame and the Freedom to Tinker fear
penury?